LT1-LT4 Modifications 1993-97 Gen II Small Block V8

383 Feeler Thread

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Old 07-14-2009, 01:19 PM
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Well I was going to do a budget 383 with a Scat rotating assembly but I was poking aorund and found a Callies Racemaster for a good price. The crank is rated for 1000 horse so I want to build the rest of the bottom pretty stout. I am thinking of just getting some forged SRP pistons but my question is rods. What are the best 6 inch rods H beam rods for the money?
Old 07-14-2009, 01:57 PM
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Originally Posted by JB_97ws6TA
Well I was going to do a budget 383 with a Scat rotating assembly but I was poking aorund and found a Callies Racemaster for a good price. The crank is rated for 1000 horse so I want to build the rest of the bottom pretty stout. I am thinking of just getting some forged SRP pistons but my question is rods. What are the best 6 inch rods H beam rods for the money?
I like Compstar rods.
Old 07-14-2009, 02:03 PM
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i dont see a problem with eagle or scat. but compstar is good
Old 07-14-2009, 11:40 PM
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I had good luck with eagle h beam rods at ~900 crank hp, I'd look into a better piston though than the cheapo srp's!
Old 07-14-2009, 11:50 PM
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manley rods here, oh i'd skip the shelf srp pistons. I've got some custom nitrous JEs, I'd be fine with some diamond or CP pistons though.
Old 07-15-2009, 06:35 AM
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i have diamond pistons on eagle H beam rods
Old 07-15-2009, 04:13 PM
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I use JE pistons on Oliver billet steel 5.85" I beam rods on a forged Lunati crank in my 383...I've got 14 years 53,000 miles and cant tell you how many 1/4 mile passes...Zero issues...

--Alan
Old 07-15-2009, 04:25 PM
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Originally Posted by ABA383
I use JE pistons on Oliver billet steel 5.85" I beam rods on a forged Lunati crank in my 383...I've got 14 years 53,000 miles and cant tell you how many 1/4 mile passes...Zero issues...
--Alan
That is exactly what I am looking for...a trouble free 383, I think I am going with manley 6 in rods and JE pistons, the longevity is in the machine work though so hopefully my machinist is up to standard as well
Old 07-15-2009, 04:50 PM
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Dont know how great this is, but its got forged everything and JE pistons, its only $2100

http://www.speedomotive.com/pc-512-7...roker-kit.aspx
Old 07-15-2009, 04:55 PM
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Originally Posted by Cruzer23
Dont know how great this is, but its got forged everything and JE pistons, its only $2100

http://www.speedomotive.com/pc-512-7...roker-kit.aspx
That link doesn't list the band of crank or rods used...

This one does:

http://www.advancedinduction.com/AiP...sCompStar.html

Ai Forged 383cid LT1 Rotating Assembly Package:

Compstar Forged 4340 3.75" Stroke Crankshaft
Compstar Forged 4340 H-Beam Rods
Mahle Forged Pistons (-5cc, -16cc, or -26cc)
Mahle Plasma-Moly 1.5/1.5/3mm Ring Package
Mahle Steel Pins & Wire Locks
Main and Rod Bearings Included
Internally Pre-Balanced by Callies/CompStar!


$2196 - Ready for Assembly by your local machinist.
Old 07-15-2009, 04:56 PM
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It would have been a great idea had I not already purchased a crank so now I am trying to match parts but now I am torn between two sets of pistons

http://www.summitracing.com/parts/MLE-SBC125030F05/

http://www.summitracing.com/parts/JEP-181911-8/
Old 07-15-2009, 04:59 PM
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Originally Posted by JB_97ws6TA
It would have been a great idea had I not already purchased a crank so now I am trying to match parts but now I am torn between two sets of pistons

http://www.summitracing.com/parts/MLE-SBC125030F05/

http://www.summitracing.com/parts/JEP-181911-8/
I like the JE pistons.
Old 07-15-2009, 09:01 PM
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The Compstar rods are a little better at clearing the cam and the block especially. They have about .050 more clearance at the outer bolt to block than the Eagles and maybe .080-.100 more than the Scat H-Beams which are the worst for clearance and will hit the cam as well at the shoulder.

I like the Eagles for the money and the Compstars if you can spend a little more.
Old 07-16-2009, 04:48 PM
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Heres our 383 rotating assembly:

Scat 4340 LTx 3.750 Crankshaft
Scat 4340 SBC ICR I-Beam 5.700 with 7/16ths Bolts
Wiseco PT025H3 5.5cc Pistons 4.030 Bore
1/16,1/16,3/16 Rings 1.425 Comp. Height (comes
with Ductile Iron Top Plasma Moly Rings)
ACL MS909 H Main Bearings for 350 SBC
ACL CB 663 H Rod Bearings for 2.100 SBC
Chamfered Race Bearings

balanced and shipped for $1775 (lower 48)

We can upgrade to Callies for $250.




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